The entire town was separated as Eau Claire County by an act of the Wisconsin State Legislature on October 6, 1856.

27.10% of all households were made up of individuals, and 10.10% had someone living alone who was 65 years of age or older.

[16] Eau Claire county is served by the Chippewa Valley Regional Airport (KEAU).

The board meets in the Eau Claire County Courthouse in downtown Eau Claire,[18] with its weekly meetings televised on local public television and transcripts published online.

Eau Claire County contains portions of the Wisconsin State Senate districts 23 and 31, represented by Kathy Bernier (R) and Jeff Smith (D) respectively.

At the federal level, the entire county is contained within Wisconsin's third congressional district, which is represented in the United States House of Representatives by Derrick Van Orden (R).

The last Republican to win the county was Ronald Reagan in his landslide re-election of 1984, and even then he only won the county by a margin of 2.64 percent, smaller than Richard Nixon's margin of 5.12 percent in his landslide 1972 re-election.

Attractions include the Chippewa Valley Museum in Eau Claire, Dells Mill Museum in Augusta, Dells Mill Water Powered Museum in Augusta, the Paul Bunyan Logging Camp in Eau Claire, and the Sarge Boyd Bandshell in Eau Claire.